#ifndef _IO_H
#define _IO_H

#include <sys/cdefs.h>
#include <stdint.h>

__BEGIN_DECLS

static inline uint8_t inb(uint16_t port) {
	uint8_t ret;
	asm volatile ("inb %1, %0" : "=a"(ret) : "Nd"(port));
	return ret;
}

static inline uint16_t inw(uint16_t port) {
	uint16_t ret;
	asm volatile ("inw %1, %0" : "=a"(ret) : "Nd"(port));
	return ret;
}

static inline uint32_t inl(uint16_t port) {
	uint32_t ret;
	asm volatile ("inl %1, %0" : "=a"(ret) : "Nd"(port));
	return ret;
}

static inline void outb(uint16_t port, uint8_t val) {
	asm volatile ("outb %0, %1" : : "a"(val), "Nd"(port));
}

static inline void outw(uint16_t port, uint16_t val) {
	asm volatile ("outw %0, %1" : : "a"(val), "Nd"(port));
}

static inline void outl(uint16_t port, uint32_t val) {
	asm volatile ("outl %0, %1" : : "a"(val), "Nd"(port));
}

__END_DECLS

#endif
